Sony 4-216-349-0 US model 4-216-349-1 Canadian model 4-216-349-2 AEP Section Test Mode

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SECTION 4

TEST MODE

4-1. PRECAUTIONS FOR USE OF TEST MODE

•As loading related operations will be performed regardless of the test mode operations being performed, be sure to check that the disc is stopped before setting and removing it.

Even if the §EJECT button is pressed while the disc is rotating during continuous playback, continuous recording, etc., the disc will not stop rotating.

Therefore, it will be ejected while rotating.

Be sure to press the §EJECT button after pressing the MENU/NO button and the rotation of disc is stopped.

4-1-1. Recording laser emission mode and operating buttons

•Continuous recording mode (CREC MODE)

•Laser power check mode (LDPWR CHECK)

•Laser power adjustment mode (LDPWR ADJUST)

•Traverse (MO) check (EF MO CHECK)

•Traverse (MO) adjustment (EF MO ADJUST)

•When pressing the rREC button.

4-2. SETTING THE TEST MODE

The following are two methods of entering the test mode.

Procedure 1: While pressing the AMS knob and p button, connect the power plug to an outlet, and release the AMS knob and p button. When the test mode is set, “[Check]” will be displayed. Rotating the AMS knob switches between the following four groups;

···NnCheck NnAdjust NnService NnDevelop Nn···.

Procedure 2: While pressing the AMS knob, connect the power plug to the outlet and release the AMS knob.

When the test mode is set, “TEMP CHECK” will be displayed. By setting the test mode using this method, only the “Check” group of method 1 can be executed.

4-3. EXITING THE TEST MODE

Press the REPEAT button. The disc is ejected when loaded, and “Standby” display blinks, and the STANDBY state is set.

4-4. BASIC OPERATIONS OF THE TEST MODE

All operations are performed using the AMS knob, YES button, and MENU/NO button.

The functions of these buttons are as follows.

Function name	Function

AMS knob	Changes parameters and modes

YES button	Proceeds onto the next step. Finalizes input.

MENU/NO button	Returns to previous step. Stops operations.

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Contents Specifications MDS-JE330SELF-DIAGNOSIS Function Items of Error History Mode Items and Contents Flexible Circuit Board Repairing VarnigDiagrams Table of ContentsDisassembly Exploded ViewsIOP Section Servicing NoteJIG for Checking BD Board Waveform TEORecord Precedure Criteria for Determination Measure if unsatisfactory Checks Prior to Parts Replacement and AdjustmentsForced Reset REC/PLAYRetry Cause Display Mode Bit BinaryHexadecimal Binary Bit When BinaryHigher Bits Lower Bits Hexa Details Front Panel Section GeneralLocation of Parts and Controls Slider CAM Section DisassemblyCase and Front Panel Base Unit MBU-5A and BD Board SW Board and Loading Motor M103Setting the Test Mode Section Test ModePrecautions for USE of Test Mode Exiting the Test ModeSelecting the Test Mode GroupMID Operating the Continuous Playback ModeNon-Volatile Memory Mode EEP Mode OUTTest Mode Displays Functions of Other ButtonsMeanings of Other Displays Section Electrical Adjustments Parts Replacement and AdjustmentPrecautions for Adjustments Precautions for Checking Laser Diode EmissinonPrecautions for USE of Optical PICK- UP KMS-260A Creating Continuously Recorded DiscChecks Prior to Repairs Temperature Compensation Offset CheckLaser Power Check Specified ValueFocus Bias Check Play Checking MO Error Rate CheckCD Error Rate Check Self-Recording/playback CheckLaser Power Adjustment Initial Setting of Adjustment ValueTemperature Compensation Offset Adjutment Recording and Displaying the IOP InformationTraverse Adjustment Focus Bias Adjustment CD Auto Gain Control Output Level Adjustment Error Rate CheckAuto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points Section Diagrams Circuit Boards LocationBlock Diagrams BD Section MDS-JE330Main Section LD-LOVOWaveforms For schematic diagramsFor printed wiring boards Display SectionPrinted Wiring Board BD Section Semiconductor LocationSchematic Diagram BD 1/2 Section Schematic Diagram BD 2/2 Section Schematic Diagram Main 1/2 Section Schematic Diagram Main 2/2 Section Printed Wiring Board Main Section Printed Wiring Board Panel Section Schematic Diagram Panel Section BD Section IC101 Schematic Diagram BD Switch Section IC Block DiagramsPrinted Wiring Board BD Switch Section IC121 CXD2654R IC152 BH6511FS-E2IC406 M62016L Main section IC301 UDA1341TS/N2IC381 M5218AL IC441 LB1641 Pin No Pin Name Function IC PIN FunctionsIC101 RF Amplifier CXA2523AR BD board MNT2 Xbusy MNT0 FOKMNT1 Shck MNT3 SlocAsyi MvciAsyo AvddFrdr TfdrFfdr FS4IC501 System Control M30620MC-400FP Main board REC/PB OPT DEL OPT SEL Mode SELPB-P SDASection Exploded Views Case and Back Panel SectionFront Panel Section 6162Mechanism Section MDM-5A 225 226 206 205Base Unit Section MBU-5A 251 252Section Electrical Parts List ResistorsDisplay Display KEY SW Main PIN, Connector 7P Inductor MDS-JE330 Main SW VOL SEL Vibrator